BCM is in the trunk. all the way to the right. You have to remove the panel to get to it The PCM is under the dash on the right side. You have to remove the glove box to access the screw that holds it in place.
power control module
BCM, body control module. It controls lights, wipers, alarm, etc. PCM, powertrain control module. It is the engine computer.
behind glove box
The PCM in a 1993 Deville gets power from the IGN fuse. the fuse is located in the distribution box under the hood.
Go to Autozone.com and click on there component locator
Pull it straight up out of its socket.
Behind the glove box.
BCM- Body Control Module
A 1997 Wrangler doesn't have a BCM. (body control module) It does have a PCM (powertrain control module) which is behind the battery.
The hood from your 1994 Cadillac Deville will not fit on to the 1994 Fleetwood. The 1994 Fleetwood hood is larger than the Deville hood.
The fuse that works the cooling fan(s) depend on the make/model/year of the car. In general cooling fans are controlled by a fan relay & fuse or by the ecm, bcm,pcm (ecm/bcm/pcm are computers)
F32 - basically what it comes down to is shorted wires between the ECM and BCM, a bad ECM or BCM or a faulty prom or memcal inside the ECM or BCM.